Received: 23 December 2018
Accepted: 31 December 2019
First Online: 10 January 2020
Ethics approval and consent to participate
: The study was approved by Ethics Committee of Guilan University of Medical Sciences, Iran (Ref. No. IR.GUMS.REC.1398.423). Written informed consent was attained for each patient and confidentiality of the information was assured. The results of the diagnostic methods of the patients were delivered to them in confidential written format and all their diagnostics tests were free of charge.
: Not applicable.
: The authors declare that they have no competing interests.